Zenith | Mean of zenith in English Dictionary

/ˈziːnəθ/

• Noun
• the strongest or most successful period of time
1. At its zenith [=peak] in the 1980s, the company employed more than 300 people.
2. That was the zenith [=the highest point] of her career.
• the highest point reached in the sky by the sun, moon, etc.